SK Hand Tools 86006 Screwdriver Set &ndash; SureGrip Combination Nut Drivers, Reliable 9 Piece Ratchets Case. Metal Enclosures Nut Drivers Quality Performance: ratchets have precision ground and vapor blasted tips for the strong grip to the fastener. Metal accessories include hex bolster on the six longest screwdrivers and allows generating easier turning power with a wrench. High End Design: SureGrip combination screwdriver set features comfortable square handles for a secure grip even with greasy hands. Nut drivers possess great strength to hold machinery Durable Metric Utilities: tough and reliable 9-piece SureGrip combination screwdriver set. Durable hand tools are resistant to corrosion and abrasion. Weather proof. Abates heat, moisture and performs well in harsh working environments Metric Utilities Construction: ratchet screwdriver set includes Philips #0 x 3" #1 x 4" #2 x 2-1/2" #2 x 4" and Slottted 1/4" x 2-1/2" 1/4" x 4" 5/16" x 6" 3/8" x 8" 3/8" x 12". Portable Extensions: impact unit weighs 3.5 pounds. Compact Sized nut drivers come in a plastic storage tray. Portable handheld tools. Ratchet set measures 9.5 x 18.4 x 1.3 inches